Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's a good idea to plant asters is to consult the USDA zone info for Winslow.

Planting Calendar for Asters

Frost tolerance for asters:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Asters do well in moderate cold which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant asters in Winslow is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asters and expect a good harvest is probably September. If you wait any later than that and your asters may not have a chance to fully mature. If you are starting your asters indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Winslow. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Winslow is an average the actual date of last frost will vary from year to year. Half of the time in Winslow you get surprised by a frost after April 15 so make sure that you are prepared to protect your asters in the event of one of those late frosts.

USDA Zone Info for Winslow

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Winslow

You may be interested in your other planting guides for Winslow.